A wave spanning 200,000 light-years (about twice the size of our Milky Way Galaxy) is rolling through the Perseus Cluster, according to observations from...
An international team of astronomers have discovered a mysterious flash of X-rays using NASA’s Chandra X-ray Observatory, in the deepest X-ray image...
Astronomers have uncovered a monster black hole that has been propelled out of the center of a distant galaxy, called 3C 186, by what could be the power...
Using data from the Australia Telescope Compact Array, NASA’s Chandra X-ray Observatory and NuSTAR telescope, a team of astronomers has found evidence...
NASA has released an amazing composite image of NGC 6357, a region where radiation from hot, young stars is energizing the surrounding gas and dust. This...
Astronomers have used CSIRO’s Australia Telescope Compact Array (ATCA) and NASA’s Chandra X-ray Observatory to show that a recently-discovered lensed...
Using data from NASA’s Chandra and ESA’s XMM-Newton space telescopes, astronomers have found a pair of remarkable sources that dramatically flare in...
An international team of astronomers led by University of Nottingham scientist Christopher Conselice has performed an accurate census of the number of...
A rogue black hole has been found in the outer regions of the lenticular galaxy SDSS J141711.07+522540.8 (GJ1417+52 for short). Evidence suggests this...
Astronomers using ESO’s Very Large Telescope and NASA’s Chandra and Hubble space telescopes have solved the mystery of a rare change in the behavior...
Using NASA’s Chandra X-ray Observatory, astronomers have made the first detections of X-rays from Pluto. This X-ray emission comes from interaction between...
Using five space- and four ground-based telescopes, an international team of astronomers has found the most distant galaxy cluster to date.
This composite...
An international team of astronomers led by Texas Tech University scientist Dr. Christopher Britt has spotted a very young star, called CXOGBS J173643.8-282122...
Using data from three of NASA’s space observatories — the Hubble Space Telescope, Chandra X-ray Observatory, and Spitzer Space Telescope, astronomers...
According to a study led by University College London researcher William Dunn, the solar wind is causing intense X-ray bursts over Jupiter’s polar regions.
Solar...
Astronomers have taken a stunning photo of a very massive cluster of galaxies, MACS J0416.1-2403.
This image of the galaxy cluster MACS J0416 combines...
One of the nearest supermassive black holes to Earth with active powerful outbursts has been discovered by a team of astronomers using NASA’s Chandra...
A team of astronomers led by Dr Julia Comerford of the University of Colorado, Boulder, has spotted a rare pair of black holes in a distant galaxy known...
A long monitoring campaign of the Milky Way’s black hole, called Sagittarius A*, has revealed some unusual activity. Typically relatively quiet, the...